8525165216 has 24 divisors (see below), whose sum is σ = 16846329780. Its totient is φ = 4246732288.

The previous prime is 8525165213. The next prime is 8525165221. The reversal of 8525165216 is 6125615258.

It can be written as a sum of positive squares in 2 ways, for example, as 7910323600 + 614841616 = 88940^2 + 24796^2 .

It is not an unprimeable number, because it can be changed into a prime (8525165213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486581 + ... + 503796.

Almost surely, 2^8525165216 is an apocalyptic number.

It is an amenable number.

8525165216 is a deficient number, since it is larger than the sum of its proper divisors (8321164564).

8525165216 is a wasteful number, since it uses less digits than its factorization.

8525165216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990656 (or 990648 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 8525165216 is about 92331.8212535635. The cubic root of 8525165216 is about 2042.8396005955.

The spelling of 8525165216 in words is "eight billion, five hundred twenty-five million, one hundred sixty-five thousand, two hundred sixteen".